German Luftwaffe (Air Force) employs mix of aircraft during intensified bombing campaign over Poland in World War II

Numerous German Ju-87 Stuka dive bombers are seen taking off from an airfield, on bombing missions against targets in Warsaw, Poland, during World War 2. Ground crews load bombs aboard the aircraft. A Dornier D0-17 bomber is seen taking off. A Henkel He-111 is seen in flight. View of ground target from nose of the bomber. Smoke rising from burning targets on the ground. Narrator refers to Bzura River area (where Polish forces had launched a counterattack). The Confluence of the Rivers, Vistula and Narev, are seen and the Polish fortress of Modlin, as the bombers approach it. Fires and smoke are seen rising from the German bombing.